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EP0823191B1 - Perfectionnements relatifs a des systemes d'eclairage - Google Patents

Perfectionnements relatifs a des systemes d'eclairage Download PDF

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Publication number
EP0823191B1
EP0823191B1 EP96912117A EP96912117A EP0823191B1 EP 0823191 B1 EP0823191 B1 EP 0823191B1 EP 96912117 A EP96912117 A EP 96912117A EP 96912117 A EP96912117 A EP 96912117A EP 0823191 B1 EP0823191 B1 EP 0823191B1
Authority
EP
European Patent Office
Prior art keywords
luminaires
control unit
group
luminaire
lighting system
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96912117A
Other languages
German (de)
English (en)
Other versions
EP0823191A1 (fr
Inventor
Donald Duncan Hindle
John Anthony Shaw
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CCT Lighting Ltd
Original Assignee
CCT Lighting Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CCT Lighting Ltd filed Critical CCT Lighting Ltd
Publication of EP0823191A1 publication Critical patent/EP0823191A1/fr
Application granted granted Critical
Publication of EP0823191B1 publication Critical patent/EP0823191B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/198—Grouping of control procedures or address assignation to light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • H05B47/184—Controlling the light source by remote control via data-bus transmission using digital multiplexed [DMX] communication protocols

Definitions

  • This invention relates to a lighting system and to a method of controlling such a system.
  • a controlled lighting system there have been a multiplicity of luminaires at desired remote locations, each connected via its own wiring to a dimmer provided in a control room. Each dimmer has been controlled by a respective channel of a control unit so as to provide the desired degree of lighting from each luminaire.
  • each dimmer being controlled by a respective channel of a central control unit.
  • EP 375 289 describes a lighting system comprising a plurality of lamps each connected in series with a dimmer across a mains power supply.
  • a power controller is provided that compensates for voltage drops in the lighting circuit so that the voltage applied across the cables leading to the lamp is higher than the voltage that would be required to be applied across the lamp to provide the desired light output.
  • a plurality of dimmer processors is provided, each dimmer processor being connected to a plurality of dimmers.
  • a common processor unit sends a respective signal representative of the desired output level for each respective lamp.
  • each individual luminaire is directly controlled by a respective control channel of the central control unit and the number of luminaires that can be controlled is limited by the number of control channels that are available.
  • EP 253 082 describes a computer controlled lighting system including a control console for controlling a plurality of lamp units. Each lamp unit is provided with its own dedicated processor and memory. The control console broadcasts a single high-level control signal that is received by each of the lamp units. Each lamp unit then responds to the control signal in dependence upon its operating program.
  • a lighting system comprising a multiplicity of luminaires and a central control unit for controlling the light outputs of the luminaires, the luminaires being divided into a plurality of groups, each of the groups being arranged to receive its own group control signal from the central control unit, individual luminaires of each group each having a respective preprogrammed local control unit, and the lighting system being so arranged that the light output of each of the respective individual luminaires that have a local control unit is controlled both in dependence upon the group control signal from the central control unit for the group to which the luminaire belongs and in dependence upon preprogramming of the luminaire's local control unit, the light outputs of the respective individual luminaires within the same group being arranged to be varied proportionally in proportions determined by the preprogramming of the respective individual local control units.
  • the local control units may be pre-programmed when the lighting system is set up so as to control each of the individual luminaires to provide a respective desired light output in response to a given control signal from the central control unit.
  • each group of luminaires comprises a plurality of luminaires, but in special circumstances there may be one or more groups of luminaires which consist of only a single luminaire. There may also be other individual luminaires that are controlled directly from the central control unit and not provided with a local control means.
  • the local control units of the luminaires may be connected to the central control unit via a common control loop and each local control unit may be arranged to receive control signals from the central control unit via a respective control channel of the common control loop.
  • the common control loop will be a wire loop but, if desired, a remote control system using for example a radio or infra-red control may be used.
  • Each luminaire preferably has an associated dimmer for controlling its light output, the dimmer being arranged to be controlled by the local control unit.
  • each of the respective luminaires that have a local control unit is provided with a respective dimmer module as a plug-in unit, the plugging-in of the module serving to provide both a mechanical and an electrical connection between the dimmer module and the luminaire.
  • the dimmer module may be so arranged that, once connected to the luminaire, dimming means is interposed in the electrical power supply to the light source of the luminaire.
  • Luminaires of the lighting system may be so arranged that each luminaire is operable both without the dimmer module and with the dimmer module.
  • the use of such a plug-in dimmer module can be of advantage since it provides a user of the system with an option to provide a dimming facility on any of a large number of luminaires without having to acquire a dimmer for each luminaire; rather a user is able to plug in dimmer modules to those particular luminaires on which the dimming facility is required.
  • the local control units are positioned at locations remote from the central control unit and preferably adjacent to or on the luminaires that they are arranged to control.
  • the present invention also provides a method of controlling a lighting system comprising a multiplicity of luminaires divided into a plurality of groups, each group receiving its own group control signal from a central control unit that is common to all the luminaires of the group and individual luminaires of each group each having a respective preprogrammed local control unit, in which method the light output of each of the respective individual luminaires that have a local control unit is controlled both in dependence upon the group control signal from the central control unit for the group to which the luminaire belongs and in dependence upon preprogramming of the luminaire's local control unit, the light outputs of the respective individual luminaires within the same group being arranged to be varied proportionally in proportions determined by the preprogramming of the respective individual local control units.
  • the entertainment lighting system shown in Fig. 1 has a central control unit 1, a main power supply 2 and four groups A, B, C and D of luminaires.
  • Each of the groups of luminaires comprises four luminaires referenced A1 to A4, B1 to B4, C1 to C4 and D1 to D4.
  • Associated with each luminaire is a local control unit and a dimmer for controlling the light outputs of the luminaires.
  • the local control units and the dimmers are mounted on the luminaires and are not shown separately in Fig. 1.
  • Each luminaire is connected by a power cable 3 to the main power supply 2 and by a control cable loop 4 to the central control unit 1.
  • the central control unit 1 shown in the drawing has nine channels of which only the first four are used in the illustrated embodiment.
  • the central control unit 1 provides a multiplexed control signal with luminaires of group A controlled by the first channel, luminaires of group B controlled by the second channel, luminaires of group C controlled by the third channel and luminaires of group D controlled by the fourth channel.
  • the luminaires of each group may be positioned in proximity to one another but they may also be spaced apart with other luminaires of other groups interposed between them. As can be seen in Fig. 1, all the luminaires of a group are directed towards the same subject referenced S1 to S4 in Fig. 1; whilst that is an advantageous arrangement which has the advantage that there is a clear connection between the desired relative brightness levels of the luminaires within one group, it is not an essential feature of the invention.
  • the central control unit 1 is a conventional control unit for a lighting control system of a kind already available from many manufacturers.
  • the unit is in accordance with the industry standard DMX512 (1991) protocol.
  • suitable units are the Regal II+4 DMX Control System available from CCT Lighting Ltd., Sutton, England, the Gemini 2+, Galaxy Nova and MX control systems available from Strand Lighting, Isleworth, England, and the Obsession, Expression, Impression, Concept, Insight, Microvision, Idea and Acclaim systems available from Electronic Theatre Control Inc., Middleton, USA.
  • Fig. 2 shows the control arrangement at each luminaire.
  • the control cable loop 4 is connected to a master control microprocessor 5 which is connected to receive an input from a channel selector switch 6 comprising three decimal switches 6A, 6B and 6C.
  • An output from the master processor 5 is passed to a slave processor 7 having an associated local light output level setting switch 8.
  • the output of the slave processor 7 is connected to a dimmer circuit 9 interposed between a mains power supply 10 and an output 11 to a lamp.
  • the slave processor 7 controls the dimmer circuit 9 in dependence upon the combination of the setting of the switch 8, which is a hexadecimal switch giving 16 proportionate output levels including 0% and 100%, and the output level signal from the master processor 5.
  • the channel selector switch 6 When setting up the system an operator sets the three decimal switches 6A, 6B and 6C of a luminaire to the channel of the control unit 1 that has been selected to control the group of luminaires to which the particular luminaire belongs.
  • the channel selector switch 6 then causes the master processor 5 to react to control signals from the control unit 1 in the selected channel but not to signals of any of the other channels in the multiplexed control signal.
  • the operator also selects the ratio of the light outputs of the luminaires of a group and adjusts the switches 8 of the local control units of the luminaires accordingly.
  • the proportional controls provided by the switches 8 are set so that the luminaire A1 provides full output, luminaire A2 60% output, luminaire A3 40% output and luminaire A4 80% output.
  • the other luminaires are set to provide the following outputs: B1 - 100% C1 - 100% D1 - 100% B2 - 48% C2 - 36% D2 - 60% B3 - 32% C3 - 24% D3 - 40% B4 - 64% C4 - 48% D4 - 80%
  • the settings indicated above determine the relative amounts of light outputs of luminaires in a group while the signal from the central control unit 1 determines the general level of output.
  • luminaire A1 will be at full light output, luminaire A2 at 60% output, luminaire A3 at 40% output and luminaire A4 at 80% output.
  • luminaire B1 will be at 80% of full light output, luminaire B2 at 38.4% output, luminaire B3 at 25.6% output and luminaire B4 at 51.2% output.
  • the light output of each luminaire is dependent upon the control signal from the central control unit and the proportional control preselected by the operator when the lighting system is first set up.
  • the dimmer circuit 9 is interposed between the mains power supply 10 and the output 11 to a lamp.
  • the physical position of the dimmer circuit 9 (and the processors 5, 7 and switches 6, 8) is flexible.
  • the dimmer circuit 9 and the other components shown in Fig. 2 (processors 5, 7 and switches 6, 8) are incorporated in a dimmer module that is a plug-in fit into a luminaire housing. With the dimmer module unplugged the mains power supply 10 is directly connected to the output 11 and no dimming facility is provided. When the dimmer module is plugged in the direct electrical connection between the mains power supply 10 and the output 11 is broken and replaced by the connection shown in Fig. 2; at the same time as the dimmer module is electrically connected it is also mechanically connected to the luminaire.
  • Fig. 3 shows a dimmer module for plug-in connection as just described.
  • the module has a front panel on which are a mains power socket 15 (for connection to the mains power supply 10 of Fig. 2), input and output control cable connections 16A and 16B, switches 6A, 6B and 6C for setting the channel to which the module responds (in the described embodiment there are 512 channels), switch 8 for setting the local proportionate light output control and a plug 17 for connection to a luminaire housing in the same way as a mains power lead can be directly connected to the luminaire housing.
  • a mains power socket 15 for connection to the mains power supply 10 of Fig. 2
  • input and output control cable connections 16A and 16B for setting the channel to which the module responds (in the described embodiment there are 512 channels)
  • switch 8 for setting the local proportionate light output control
  • a plug 17 for connection to a luminaire housing in the same way as a mains power lead can be directly connected to the luminaire housing.
  • a mains power lead (10 in Fig. 2) is inserted into the socket 15 control cables (4 in Fig. 2) are connected to the connections 16A and 16B and the plug 17 is plugged into a socket in the luminaire housing 18 shown in dotted outline.
  • the operator sets the switches 6A, 6B and 6C to the selected channel to determine the group to which the luminaire belongs and sets the switch 8 to a chosen proportionate setting to select the brightness of the luminaire compared to other luminaires of the same group, or, especially in a case where the luminaire is not part of a group, sets the reduction in brightness of the luminaire from the brightness signalled from the central control unit.
  • the dimmer module is unplugged from the luminaire housing 18 and the mains power lead (10 in Fig. 2) unplugged from the dimmer module and plugged directly into the luminaire housing.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuits Of Receivers In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Claims (10)

  1. Système d'éclairage comprenant une multiplicité de luminaires (A1 à A4, B1 à B4, C1 à C4 et D1 à D4) et une unité de commande centrale (1) pour commander les sorties ou puissances utiles de lumière des luminaires, les luminaires étant divisés en une pluralité de groupes (A, B, C et D) chacun des groupes étant apte à recevoir son propre signal de commande de groupe à partir de l'unité de commande centrale (1), les luminaires individuels de chaque groupe ayant une unité de commande locale pré-programmée respective, et le système d'éclairage étant agencé de telle sorte que la sortie ou puissance utile de lumière de chacun des luminaires individuels respectifs qui ont une unité de commande locale est commandée à la fois en fonction du signal de commande de groupe provenant de l'unité de commande centrale pour le groupe auquel appartient le luminaire et en fonction de la pré-programmation de l'unité de commande locale de luminaires, les sorties ou puissances utiles de lumière des luminaires individuels respectifs à l'intérieur du même groupe étant aptes à pouvoir être modifiées proportionnellement dans des proportions déterminées par la pré-programmation des unités de commande locale individuelles respectives.
  2. Système d'éclairage selon la revendication 1, dans lequel chaque groupe de luminaires comprend une pluralité de luminaires.
  3. Système d'éclairage selon l'une des revendications 1 ou 2, dans lequel les unités de commande locales des luminaires sont connectées à l'unité de commande centrale par l'intermédiaire d'une boucle de commande commune (4).
  4. Système d'éclairage selon la revendication 3, dans lequel chaque unité de commande locale est apte à recevoir des signaux de commande en provenance de l'unité de commande centrale par l'intermédiaire d'un canal de commande respectif de la boucle de commande commune (4).
  5. Système d'éclairage selon l'une quelconque des revendications précédentes, dans lequel chaque luminaire possède un variateur associé (9) pour commander sa sortie ou puissance utile de lumière, le variateur étant apte à pouvoir être commandé par l'unité de commande locale.
  6. Système d'éclairage selon l'une quelconque des revendications précédentes, dans lequel chacun des luminaires respectifs qui possède une unité de commande locale est muni d'un module de variateur respectif sous forme d'une unité embrochable, l'embrochage du module ayant pour office de fournir à la fois une connexion mécanique et électrique entre le module variateur et le luminaire
  7. Système d'éclairage selon l'une quelconque des revendications précédentes, dans lequel les unités de commande locales sont positionnées en des emplacements éloignés de l'unité de commande centrale.
  8. Système d'éclairage selon l'une quelconque des revendications précédentes, dans lequel chaque unité de commande locale est positionnée de façon contiguë au luminaire qu'il est apte à commander.
  9. Procédé pour la commande d'un système d'éclairage comprenant une multiplicité de luminaires (A1 à A4, B1 à B4, C1 à C4 et D1 à D4) divisés en une pluralité de groupes (A, B, C et D), chaque groupe recevant son propre signal de commande de groupe en provenance d'une unité de commande centrale (1) qui est commune à tous les luminaires du groupe et aux luminaires individuels de chaque groupe, chacun ayant une unité de commande locale pré-programmée respective, procédé dans lequel la sortie ou puissance utile de lumière de chacun des luminaires individuels respectifs qui ont une unité de commande locale est commandée à la fois en fonction du signal de commande de groupe en provenance de l'unité de commande centrale pour le groupe auquel le luminaire appartient et en fonction de la pré-programmation de l'unité de commande locale de luminaires, les sorties ou puissance utile de lumière des luminaires individuels respectifs à l'intérieur du même groupe étant aptes à pouvoir être modifiées proportionnellement dans des proportions déterminées par la pré-programmation des unités de commande locales individuelles respectives.
  10. Procédé selon la revendication 9, dans lequel le système d'éclairage est tel que revendiqué dans l'une quelconque des revendications 2 à 8.
EP96912117A 1995-04-28 1996-04-26 Perfectionnements relatifs a des systemes d'eclairage Expired - Lifetime EP0823191B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9508679 1995-04-28
GB9508679A GB2300254B (en) 1995-04-28 1995-04-28 Improvements in or relating to lighting systems
PCT/GB1996/001029 WO1996034516A1 (fr) 1995-04-28 1996-04-26 Perfectionnements relatifs a des systemes d'eclairage

Publications (2)

Publication Number Publication Date
EP0823191A1 EP0823191A1 (fr) 1998-02-11
EP0823191B1 true EP0823191B1 (fr) 2000-11-15

Family

ID=10773691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96912117A Expired - Lifetime EP0823191B1 (fr) 1995-04-28 1996-04-26 Perfectionnements relatifs a des systemes d'eclairage

Country Status (6)

Country Link
EP (1) EP0823191B1 (fr)
AT (1) ATE197662T1 (fr)
AU (1) AU5506696A (fr)
DE (1) DE69610979T2 (fr)
GB (1) GB2300254B (fr)
WO (1) WO1996034516A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9521527D0 (en) * 1995-10-20 1995-12-20 Ashley & Rock Ltd Controlling lamps

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530839B1 (fr) * 1982-07-22 1986-05-16 Ramanantsoa Johnson Systeme de gradation de puissance a distribution monoligne des commandes et de l'energie
US4947302A (en) * 1982-11-19 1990-08-07 Michael Callahan Improvements to control systems for variable parameter lighting fixtures
US4797795A (en) * 1982-11-19 1989-01-10 Michael Callahan Control system for variable parameter lighting fixtures
US4527198A (en) * 1982-11-19 1985-07-02 Michael Callahan Followspot parameter feedback
US4566036A (en) * 1983-06-07 1986-01-21 Canon Kabushiki Kaisha Remote control apparatus
US5225765A (en) * 1984-08-15 1993-07-06 Michael Callahan Inductorless controlled transition and other light dimmers
CA1293989C (fr) * 1986-07-17 1992-01-07 Brooks W. Taylor Systeme d'eclairage commande par ordinateur a traitement reparti
JPH03501423A (ja) * 1987-12-02 1991-03-28 モーフイアス・ライツ・インコーポレーテツド 舞台照明装置
GB2226431B (en) * 1988-12-20 1992-08-12 Strand Lighting Ltd Electric lighting and power controllers therefor
DE4124794C2 (de) * 1991-07-26 1993-11-11 Werner Mielke Beleuchtungsanlage mit verfahrbaren, eine Dimm- und Schalteinheit enthaltenden Leuchtkörpern
US5406176A (en) * 1994-01-12 1995-04-11 Aurora Robotics Limited Computer controlled stage lighting system

Also Published As

Publication number Publication date
GB2300254A (en) 1996-10-30
EP0823191A1 (fr) 1998-02-11
AU5506696A (en) 1996-11-18
ATE197662T1 (de) 2000-12-15
DE69610979D1 (de) 2000-12-21
WO1996034516A1 (fr) 1996-10-31
GB9508679D0 (en) 1995-06-14
DE69610979T2 (de) 2001-06-28
GB2300254B (en) 1999-04-07
GB2300254A8 (en) 1997-05-06

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